and everything works fine, I just can't figure out how NOT to keep directory structure on the destination host.
Now it's all going/unpacking to vdata/0/50/13350/some_data and I want it to go just to some_data.

There is no option of file copy/move with tar because it is not a file copy/move program but an archiver (even if it is really good at remote copy)
The only file modifications that tar can do is to avoid problems related to archives restorations (file permissions, timestamps, remove the first / of the absolute pathnames, links, etc...)

Imagine the amount of problematic situation if tar should manage such file manipulation in these kind of case :

Be aware that it won't work if some directories/files contains space in their name.
For that, read the man page of "find' command to play with the "-exec" option
(I am too lazy for to do it) _________________Tin, the gentoobie